Detectives were called to the 8200 block of Bernard Drive in Millersville around 6 p.m., where they found the victim.

The woman said she was delivering a pizza when a man approached her, implied he had a weapon and demanded her money. She said she gave him what she had, and the man ran away.

Police searched the area but came up empty-handed.

Detectives said they're looking for a black man who is about 20 to 22 years old and was wearing a blue hooded sweatshirt at the time. Anyone with information on the case should call Metro Crime Stoppers at 866-7-LOCKUP.